LELB1-1REC4-39500-60-V

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Circuit breakers are playing an increasingly pivotal role in modern electrical designs. They are used to protect electrical components and circuits from damage due to overcurrent, short circuits, and other potential power disturbances. The LELB1-1REC4-39500-60-V is a circuit breaker specifically designed for high-voltage applications and it’s important to understand its application field and working principle.

The LELB1-1REC4-39500-60-V circuit breaker is designed for use in high-voltage installations with voltages ranging from 9500 to 39,500 volts. It can provide up to 60 amperes of current and is capable of controlling both overload and short-circuit connections at any of these voltage levels. In short, the LELB1-1REC4-39500-60-V is designed to protect high-voltage circuits from overloading, short-circuiting, and other electric power irregularities.

The LELB1-1REC4-39500-60-V works using three main components: a contactor, a thermal-magnetic trip unit, and a thermal overload relay. The contactor is the relay that closes the circuit; when the breaker is in the "off" position, the contactor is open and the voltage to the components is blocked. When the breaker is in the on position, the contactor closes the connection and allows the current to flow. The thermal-magnetic trip unit is a device that detects excess current and will open the contactor in the event of an overload or short circuit. Finally, the thermal overload relay is a device that senses when the current is too high and will open the contactor if the current exceeds preset values.

The operation of the LELB1-1REC4-39500-60-V works in concert with these three main components. When the voltage across the circuit is too high or too low, the trip unit will open the contactor and the power will be cut off to the protected circuit. If the current across the circuit exceeds the preset values, the thermal overload relay will open the contactor and cut off power to the circuit. Overall, the LELB1-1REC4-39500-60-V is designed to protect high-voltage circuits from overloads, short-circuits, and other electric power disturbances.

In addition to providing protection from voltage and current irregularities, the LELB1-1REC4-39500-60-V also helps to ensure that the load on the circuit is not too high. The trip unit monitors the current being used by the circuit and will open the contactor if the current exceeds preset values. This helps to prevent overloading of the circuit and keeps the components in the circuit from being damaged. It also helps to keep the wiring in the circuit from becoming damaged due to excessive current.

Overall, the LELB1-1REC4-39500-60-V is a robust and reliable circuit breaker that provides protection from overloads, short circuits, and other electric power disturbances. It is designed specifically for use in high-voltage installations and is capable of controlling both overload and short-circuit connections at any of the voltage levels it is designed to handle. As such, it is an extremely useful tool for any engineer looking to protect their high-voltage circuit from damage.

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